3/8-24 x 3 1/2 Alloy Steel Socket Head Cap Screw is specified when a machine assembly needs a high-strength alloy steel socket screw with predictable head and drive geometry. The exact 3/8-24 x 3 1/2 size helps buyers align the fastener with matching drawings and maintenance records. The screw is useful across robotics, tooling, and fixture design when a compact internal-hex fastener is required. Alloy steel supports strength-focused fastening where clamp load and repeatable assembly are important. The technical highlight block below retains the verified head diameter, head height, body diameter, and hex key data. Technical Highlights Material: Alloy Steel Thread: 3/8-24 Length: 3 1/2 in. Nominal Body Diameter: .375 in. Head Diameter: 0.550 in. min / 0.562 in. max Head Height: 0.368 in. min / 0.375 in. max Hex Key Size: 5/16 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.